Summary:
The latest release of react-native (0.55.2) does not expose the new `InputAccessoryView` component; It can't be accessed at all. This change fixes this problem.
* Problem: Snack showing the problem: https://snack.expo.io/B1fDQRYif
* Proof: `RNTester` still works with adapted imports
No related PRs.
[IOS] [BUGFIX] [InputAccessoryView] - Expose `InputAccessoryView` so it can be imported
Closes https://github.com/facebook/react-native/pull/18780
Differential Revision: D7581729
Pulled By: hramos
fbshipit-source-id: d61ab1f167360e829e32b93fb5414d2f7e57e115